Octopus (Alternate Air Source)
Definition
An octopus is a backup second-stage regulator used to share air with a buddy during an emergency.
More on Octopus (Alternate Air Source)
The octopus, or alternate air source, is typically a bright yellow regulator connected to the diver’s first stage. It’s clipped in an accessible location and used to provide air to a buddy if they experience an out-of-air situation. Proper training and regular practice are essential for effective use. Divers should be familiar with how to deploy their octopus quickly and calmly.
Frequently Asked Questions
In the triangle area between your chin and chest. It should be clearly visible, secured, and easily reachable.
Check before every dive to ensure it breathes easily and the hose is untangled and secured.
Yes, if used properly. Training is recommended since it differs from traditional alternate second stages.
Yes. In an emergency, you may take their octopus while they switch to their primary regulator or donate it.
To distinguish it quickly in emergencies. Yellow hoses and mouthpieces are standard for visibility.